# Principal Network Security Architect

**Company:** [Cerebras Systems](https://hotfix.jobs/companies/cerebras-systems)
**Location:** Unspecified
**Role:** Security Engineering
**Experience:** 10+ years
**Skills:** BGP, evpn/vxlan, rdma, roce, InfiniBand, Kubernetes, service mesh, AWS, vpcs, transit gateways, aws direct connect, Ansible, Terraform, CI/CD, network automation
**Posted:** 2026-06-23

> Leads the architecture and evolution of secure, resilient enterprise, data center, and cloud networks supporting high-performance AI infrastructure. Requires 10+ years of large-scale network engineering experience, deep routing and fabric expertise, cloud networking knowledge, and strong automation skills.

## Job Description

## Responsibilities
- Define and own the architectural roadmap for the enterprise, data center, and cloud network estate.
- Co-author secure design and lifecycle management for high-performance data center networking, including spine/leaf, RDMA, and high-bandwidth fabrics supporting wafer-scale compute.
- Build and maintain an AI-agent-based analysis and review framework for network changes, including self-improvement driven by observed network patterns and use cases.
- Partner with Network Security to deliver segmented, zero-trust-aligned network designs across data center and corporate environments.
- Set standards for resiliency, observability, and capacity planning across the global network.
- Mentor engineers across regions and serve as the senior technical voice on cross-functional network initiatives.
- Track emerging networking patterns relevant to AI infrastructure and translate them into actionable architecture decisions.

## Requirements
- 10+ years of experience in enterprise and/or data center network engineering, including hands-on design and operations at scale.
- Deep understanding of cloud networking and service mesh, with emphasis on Kubernetes service mesh and virtual networks.
- Expertise in routing, switching, and data center fabrics, including BGP, EVPN/VXLAN, and high-bandwidth, low-latency designs.
- Hands-on experience networking high-performance computing or AI/ML workloads, including RDMA; RoCE and InfiniBand exposure is a plus.
- Strong proficiency with network automation, infrastructure as code, version-controlled configuration, and CI/CD for network changes.
- Working knowledge of cloud networking, preferably AWS, including VPCs, transit gateways, Direct Connect, and hybrid connectivity patterns.
- Experience operating networks at multi-site, global scale, including capacity planning, incident response, and vendor management.
- Excellent written and verbal communication skills, with the ability to lead architecture conversations across technical and non-technical audiences.

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**Apply:** https://hotfix.jobs/jobs/f5a1d858-e734-4713-955e-10945a429179
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